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Two-dimensional packet classification algorithm using a quad-tree

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  1. Two-dimensional packet classification algorithm using a quad-tree Authors: Hyesook Lim,Min Young Kang and Changhoo Yim Publisher: computer communications Present: Kia-Tso Chang Date: September 27 2007

  2. outline • Area-based quad-tree (AQT) • Proposed priority-based quad-tree (PQT) • Update procedure • Performance evaluation

  3. space decomposition he she his hers

  4. space decomposition 0 * 1 0 0 * 1 0 1 0 1 0 1 1 1 1 * 00* R0 (1010* , 01*) R1 (* , 11*) 01* 10* 11*

  5. Crossing filter (CF)

  6. Crossing filter (CF) R1 R0

  7. Proposed priority-based quad-tree (PQT)

  8. Proposed priority-based quad-tree (PQT)

  9. Proposed priority-based quad-tree (PQT)

  10. Proposed priority-based quad-tree (PQT)

  11. Flow chart for search procedure

  12. update • Delete • Insert • By priority • By crossing filter

  13. performance

  14. performance

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